CN110942817A - Consumable management system for laboratory - Google Patents
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Abstract
The present invention relates to a consumable management system for a laboratory. Disclosed herein are consumable management systems comprising a consumable storage cluster having a plurality of storage compartments, each configured to receive one or more consumables, a storage compartment indicator for providing guidance to a user, and a detection component for verifying user action(s).
Description
Technical Field
The present application relates to a consumable management system for a laboratory, a method for operating a consumable management system and a computer program product comprising instructions which, when executed by a computer system, cause the consumable management system to carry out the method for operating the consumable management system.
Background
In vitro diagnostic tests have a significant impact on clinical decision making and provide critical information to physicians. In particular, it is highly emphasized that rapid and accurate test results are provided in an emergency care setting.
Diagnostic tests utilize various consumables such as reagents, system fluids (system fluids), quality control materials, calibrant materials, microplates/microplates, reaction vessels, measurement tubes, sample tubes, pipetting tips, and the like. To be able to perform laboratory tests, it is therefore crucial that the laboratory possesses all the necessary consumables.
To reduce the risk of consumable exhaustion, laboratories currently increase their inventory to cover and even exceed the anticipated demand for a particular consumable in an attempt to mitigate unpredictable situations.
However, the storage space needs to be used with the highest efficiency, as it is associated with setup and cycle costs. This is even more applicable in case of storing consumables such as reagents that need to be kept within a defined temperature range, e.g. in a refrigerator. Furthermore, inventory that constantly exceeds demand/usage (by safety margin) inevitably results in waste, as most consumables required for laboratory testing have a strict shelf life or shelf life. In addition, the stability of various consumables (especially reagents, quality control/calibrant materials) after opening is limited.
Therefore, there is a need for a consumable management system that ensures that all consumables are always available for all necessary laboratory tests, while at the same time avoiding the use of unnecessary storage space or waste of consumables due to excessive consumable stock inventory.
Disclosure of Invention
Disclosed herein is a consumable management system comprising a consumable storage cluster (cluster) having a plurality of storage compartments, each storage compartment configured to receive one or more consumables. The consumable management system also includes a control unit communicatively connected to a database for maintaining an inventory (inventoriy) of consumables stored in the plurality of storage compartments.
To capture a consumable demand and/or a consumable replenishment intention, the consumable management system further includes an interface for receiving input indicative of the consumable demand and/or the consumable replenishment intention.
In addition to maintaining up-to-date and appropriate consumable inventories, consumable management in a laboratory can be significantly improved by directed and validated consumable removal (removal) and replenishment.
In a first aspect of the present disclosure, guidance is provided to a user for removal and replenishment of consumables. User guidance is accomplished by a plurality of compartment indicators associated with each storage compartment and configured to indicate one of the plurality of storage compartments to a user.
In order to guide/support the user in identifying the correct consumable for retrieval, the control unit is configured to determine the specific consumable to be retrieved from the consumable demand and the consumable inventory; determining a storage compartment holding the particular consumable to be retrieved and controlling the plurality of compartment indicators to indicate the storage compartment holding the particular consumable to be retrieved.
To guide/support the user in replenishing the consumable, the control unit is configured to determine the particular storage compartment best suited to receive a consumable replenishment and to control the plurality of compartment indicators to indicate the storage compartment best suited to receive a consumable replenishment.
In a second aspect of the disclosure, proper consumable removal and replenishment by a user is verified. The user action (removal and replenishment) is verified by a detection unit communicatively connected to the control unit and configured to detect removal and replenishment of consumables from and to the storage compartment and to signal the removal and replenishment to the control unit. In particular, the removal and replenishment of the correct consumable from and into the storage compartment is detected by means of an identifier attached to the consumable.
The control unit is further configured to process the signal from the detection unit in order to verify the withdrawal of a specific consumable from the indicated storage compartment or the replenishment of a (recurring) specific consumable into the indicated storage compartment. If the verification fails, which means that the wrong consumable has been taken out or that a consumable refill is placed in the wrong storage compartment, the control unit is configured to indicate an error/issue an alarm.
Embodiments disclosed herein are advantageous because user guidance in combination with user action verification provides consumable management that is easier to use and significantly less error prone. On the one hand, compared to known consumable management systems, the guidance provides a significant usability improvement, allowing the user to quickly and easily identify the location of the consumable based on the consumable demand and thus take out the correct consumable. Further, user guidance improves proper inventory maintenance by helping the user place consumable refills in the correct storage compartment.
User action verification, on the other hand, ensures that the user follows the guidance provided for consumable removal and replenishment. Therefore, user errors can be easily detected and corrected.
Drawings
Further features and advantages of the disclosed method/apparatus/system will be described in detail below by way of description and with reference to the following drawings:
FIG. 1 is a schematic diagram of a first embodiment of the disclosed consumable management system;
FIG. 2 is a schematic diagram of another embodiment of the disclosed consumable management system;
FIG. 3 is a flow chart illustrating a first embodiment of the disclosed method of operating a consumable management system;
FIG. 4 is a schematic diagram of another embodiment of the disclosed consumable management system, wherein the plurality of compartment indicators comprise a plurality of visual elements of a graphical user interface GUI displayed on a computer screen;
fig. 5 is a schematic diagram of another embodiment of the disclosed consumable management system having extendable drawers that allow arbitrary access to the consumables.
Detailed Description
Certain terms will be used in this patent application, and the expressions should not be construed as being limited to the specific terms selected, but are related to the general concepts behind the specific terms.
As used herein, the terms "comprises," "comprising," "includes," "including," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion of a feature.
The term "laboratory instrument" as used herein encompasses any device or device component operable to perform one or more process steps/workflow steps on one or more biological samples and/or one or more reagents. Thus, the expression "processing step" refers to a physically performed processing step such as centrifugation, aliquot (aliquotation), analyte separation, sample analysis, and the like. The term "instrument" encompasses pre-analytical instruments, post-analytical instruments and also analytical instruments.
The term "analyzer"/"analytical instrument" as used herein encompasses any device or device component configured to obtain a measurement. The analyzer is operable to determine parameter values of the sample or components thereof via various chemical, biological, physical, optical or other technical processes. The analyzer may be operable to measure said parameter of the sample or of the at least one analyte and return the obtained measurement. The list of possible analysis results returned by the analyzer includes, but is not limited to: a concentration of an analyte in a sample, a digital (yes or no) result indicative of the presence of the analyte in the sample (corresponding to a concentration above a detection level), an optical parameter, a DNA or RNA sequence, data obtained from mass spectrometry of proteins or metabolites, and various types of physical or chemical parameters. The analysis instrument may comprise units to assist in the pipetting, dosing (dosing) and mixing of samples and/or reagents. The analyzer may comprise a reagent holding unit for holding a reagent for performing the assay. The reagents may be arranged, for example, in the form of containers or cassettes containing individual reagents or groups of reagents placed in appropriate receptacles or orientations within a storage chamber or conveyor. It may comprise a consumable feeding unit or a consumable loading and unloading unit. The analyzer may include a process and detection system whose workflow is optimized for certain types of analysis. Examples of such analyzers are clinical chemistry analyzers, coagulation chemistry analyzers, immunochemical analyzers, urine analyzers, nucleic acid analyzers, which are used to detect the results of, or monitor the progress of, a chemical or biological reaction.
The term "communication network" as used herein encompasses any type of wireless network, such as WiFiTM、GSMTMUMTS or other wireless digital network or cable-based network (such as ethernet network)TM) And so on. In particular, the communication network may implement the Internet Protocol (IP). For example, the communication network includes a combination of a cable-based network and a wireless network.
The term "control unit" as used herein encompasses any physical or virtual data processing device. In some embodiments, the control unit may be integral with the data management unit, may be included by the server computer, and/or may be part of one laboratory instrument, or even distributed across multiple instruments of a laboratory system. For example, the control unit may be embodied as a programmable logic controller running a computer readable program provided with instructions to carry out operations. The "data management unit" is a calculation unit for storing and managing data. This may relate to data relating to the consumable(s) required to perform the processing step(s) on the biological sample. The data management unit may be connected to an LIS (laboratory information system) and/or a HIS (hospital information system). The Data Management Unit (DMU) may be a unit within the automation system or a unit co-located with the automation system. It may be part of the control unit. Alternatively, the DMU may be a remotely located unit. For example, it may be embodied in computers connected via a communication network.
The term "interface" as used herein encompasses any suitable piece of software and/or hardware for interaction between an operator and a machine, or between a machine and another machine, including, but not limited to, a graphical user interface for receiving commands from an operator as input and also providing feedback and conveying information thereto. Also, the system/device may expose multiple interfaces to serve different types of users/operators.
The term "reagent" as used herein refers to the material required to perform an analyte analysis, including reagents for sample preparation, control reagents (control reagents), reagents for reacting with an analyte to obtain a detectable signal, and/or reagents required to detect an analyte. Such reagents may include reagents for separating analytes and/or reagents for processing a sample and/or reagents for reacting with analytes to obtain a detectable signal and/or washing reagents and/or diluents.
The term "kit" as used herein refers to any vessel/container that includes a liquid or suspension of reagents. Alternatively, the kit is a container of vessel(s) for holding a liquid or suspension comprising the reagents.
As used herein, the term "calibrator" refers to a composition containing a known concentration of an analyte for use in determining the concentration of the analyte in a sample containing an unknown concentration of the analyte. The term "quality control" QC material as used herein refers to any component with a known concentration of analyte, such as positive and negative controls, which are used for the purpose of providing evidence of: the analytical tests were successfully performed and gave the desired level of sensitivity and specificity as characterized during technical optimization and validation of the analytical tests for diagnostic use. In other words, "quality control" is used in this disclosure to refer to a physical sample used in one or more monitoring processes to monitor the performance of a particular test or assay of an analyzer. The positive control primarily monitors system calibration and sensitivity. Negative controls are used primarily to assess the specificity of the assay test to identify false positive results.
The term "RFID reader" as used herein includes devices that can read information from and/or write information to RFID tags. In general, an RFID reader may include a coil or antenna and circuitry for transmitting and receiving signals with the coil or antenna. The RFID reader antenna generates an electromagnetic field, thereby transferring energy to the tag. Depending on the design of the tag, part of the energy delivered to the tag will be reflected to the reader in order to provide information about the tag back to the reader. Some RFID systems may be used to read data from and optionally write data to RFID tags. The RFID reader may generate signals spanning distances from less than one centimeter to greater than fifty meters, depending on the frequency and power of the signals generated at the RFID reader antenna.
The term "RFID tag" as used herein refers to an active or passive RFID tag that contains information. An RFID tag or transponder comprises a coil or antenna and some information stored on an RFID chip, which can be read and/or written by an RFID reader. Accordingly, the RFID tag may be read-only or read/write, and the information associated with the RFID tag may be hard-coded into the RFID tag at the time of manufacture or at some later time. Generally, RFID tags are classified as either active or passive. Active RFID tags are powered by an internal battery and are typically read/write, i.e., tag data can be rewritten and/or modified. The memory size of active tags varies depending on the application requirements, with some systems operating with up to 1 MB and even more memory. The passive RFID tag operates without a separate external power source and obtains operating power generated from the reader. Thus, passive tags are generally lighter, less expensive, and provide a long operational life than active tags. Passive tags typically have a shorter read range than active tags and require a higher performance reader. Read-only tags are typically passive and may be programmed with a unique set of data that is typically predetermined at the time the tag is manufactured. It should be understood that passive read/write tags consistent with the present teachings may also be employed.
Embodiments of the disclosed system/method will now be described with reference to the accompanying drawings.
Fig. 1 shows a schematic view of a first embodiment of a consumable management system 1, the consumable management system 1 comprising a consumable storage cluster 10, a control unit 20, a detection unit and an interface 26.
According to a particular embodiment, the consumable storage cluster 10 is/is part of a refrigerator configured to keep the consumables stored therein at a set temperature. Consumable storage cluster 10 includes a plurality of storage compartments 12, each storage compartment 12 configured to receive one or more consumables 5. According to the particular embodiment shown in the figures, the storage compartments 12 are arranged in a plurality of rows R arranged vertically on top of each other along the Z-direction of a three-dimensional cartesian coordinate system, while each row comprises one or more storage compartments 12 side by side along the Y-direction of the three-dimensional cartesian coordinate system. In particular, consumable storage cluster 10 is arranged as a two-dimensional grid (raster) of rows or columns, such as a plurality of shelves, each shelf having a plurality of picking lanes arranged side-by-side.
The storage compartments 12 of the cluster 10 are configured to receive one or more consumables 5. In the embodiments depicted in the figures, the consumables 5 are arranged one after the other in the storage compartments 12. While such an arrangement is common, side-by-side or other arrangements are contemplated. Furthermore, consumable storage clusters 10 are conceivable in which the storage compartments 12 in a row are not physically separated, e.g. only marked by demarcations or the like.
The consumables 5 include (but are not limited to) one or more of the following: kits, quality control materials, calibrant materials, liquid handling consumables (such as pipettes, microwell plates), cuvettes, and the like.
To provide user guidance, as shown in fig. 1 and 2, consumable storage cluster 10 further includes a plurality of compartment indicators 14, a compartment indicator 14 associated with each storage compartment 12 and configured to indicate to a user one of the plurality of storage compartments 12. The term "indicate" refers to an act of providing assistance to a user to uniquely identify a particular one of the storage compartments 12 within the cluster 10. According to particular embodiments of the disclosed systems/methods, the indication of the storage compartments 12 within the cluster 10 is implemented as a visual indication. According to the embodiment of fig. 1 and 2, the plurality of compartment indicators 14 comprises a plurality of light sources, in particular light emitting diodes, LEDs, as compartment indicators 14, each light source being arranged in the vicinity of a respective storage compartment 12. When a particular compartment 12 is to be indicated, the corresponding light source is activated (or changes color, flashes, etc.) to visually attract the attention of the user and uniquely and unambiguously indicate one single storage compartment 12. According to a particular embodiment, the light emitting diodes LEDs (used as compartment indicators 14) are arranged on a strip of LEDs and may be added as an add-on solution on the front panel of the drawer, thereby enabling retrofitting of existing consumable storage systems, allowing for a cost-effective solution for laboratories.
The consumable management system 1 further comprises a control unit 20, the control unit 20 being communicatively connected to a database 30, the database 30 being for maintaining an inventory of consumables stored in the plurality of storage compartments 12. According to various embodiments, database 30 is a dedicated database for maintaining an inventory of consumables. Alternatively or additionally, the database 30 is part of a laboratory information system LIS communicatively connected to and configured to manage a plurality of laboratory instruments. The consumable inventory includes: the list of consumables stored in consumable storage cluster 10 and the corresponding storage compartments 12 and the shelf life of the consumables (which do have a shelf life). Further, according to embodiments disclosed herein, the inventory of consumables includes the open time and shelf life (time after opening until expiration) of the consumable, the remaining amount of the partially used consumable.
For verifying the user action, the consumable management system 1 further comprises a detection unit communicably connected with the control unit 20. The detection unit is configured to detect the removal and replenishment of the consumable 5 from and into the storage compartment 12 and to signal said removal or replenishment to the control unit 20. Detection unit 40 operates on various principles (optical, radio frequency, etc.) to monitor user interaction with consumable storage cluster 10, particularly the removal and replenishment of consumable 5.
Fig. 1 shows a first embodiment of a consumable management system 1, wherein the detection unit comprises an optical data acquisition device 42, such as a camera. Optical data acquisition device 42 is positioned to capture an image of consumable storage cluster 10. Using image processing components, the optical data acquisition device 42 is configured to detect the particular storage compartment(s) 12 from which the consumable 5 is removed and/or into which the consumable 5 is replenished.
Additionally or alternatively, the acquisition device 42 is arranged and configured to capture an image of the mark 7 attached to the consumable 5, read data therefrom and detect whether the removed or replenished consumable 5 is the specific consumable 5 that should be removed/replenished as determined by the control unit 20. Data from the tag 7 attached to the consumable 5 includes (but is not limited to): the identifier of the consumable 5, the shelf life, the batch number written in plain text on the label 7 or encoded as a barcode/QR code. Based on such data from the markers 7 read by the optical data acquisition device 42 of the detection component 40, the control unit 20 maintains an inventory of consumables stored in the plurality of storage compartments 12.
Fig. 2 shows another embodiment of consumable management system 1, where the detection unit comprises a plurality of RFID tag readers 44, an RFID tag reader 44 being associated with each storage compartment 12 and configured to read an RFID tag 9 attached to a consumable 5 being removed from or replenished into a consumable storage cluster 10, in order to detect the particular storage compartment 12 from which a consumable 5 is removed and into which a consumable 5 is replenished.
Furthermore, the consumable management system 1 comprises an interface 26 communicatively connected with the control unit 20 for receiving input indicative of a consumable demand and/or a consumable replenishment intention. In other words, interface 20 is provided to inform consumable management system 1 of the need for a certain consumable 5 and to inform consumable management system 1 that a certain consumable 5 has been received and needs to be stored (replenished) into the system. According to the first embodiment disclosed herein, the interface 26 is an interface to a laboratory information system LIS that provides data indicative of the consumable requirements of the connected laboratory instrument. According to another embodiment disclosed herein, interface 26 is a user interface (such as a GUI) configured to receive manual input from a user, capturing the consumable demand and/or consumable replenishment intent. According to a further embodiment disclosed herein, the interface 26 is communicatively connected to a reader (RFID, bar code) and/or detection unit in order to identify the consumable 5 that is ready to be replenished.
Fig. 2 also shows an embodiment of a detection unit comprising a plurality of RFID tag readers 44, an RFID tag reader 44 being associated with each storage compartment 12 and configured to read an RFID tag 9 attached to a consumable 5 being removed from or replenished into a consumable storage cluster 10, in order to detect the particular storage compartment 12 from which the consumable 5 is removed and to which the consumable 5 is replenished. In this embodiment, RFID tag readers 44 are each configured to read only the RFID tags 9 of the consumables 5 within the corresponding compartments 12. This may be achieved, for example, by shielding the compartments 12 from radio frequency crosstalk.
Fig. 3 illustrates, by way of a flow chart, a process performed by the control unit 20 or a method as disclosed herein. Steps performed in parallel or at different times but independently of each other are illustrated in parallel side-by-side processing blocks.
In step 102, a consumable demand is captured by way of interface 26.
In step 104, the control unit 20 determines the particular consumable 5 to retrieve based on the consumable demand and the consumable inventory. According to the first embodiment disclosed herein, the control unit 20 determines the particular consumable to be retrieved as the one of the plurality of similar/like consumables having the most recent shelf life expiration, the most recent shelf life, and/or the most accessible location in the storage compartment 12. In a particular embodiment, these three considerations as listed above are prioritized, i.e. the consumable 5 that is near the expiration of the shelf life is first determined to be used next. If no such consumable is present, the consumable 5 that will expire first is selected. Among the consumables 5 that expire at the same time, the most accessible consumable 5 (e.g., at the forwardmost position of the compartment) is determined to be the particular consumable to be retrieved. In order to reduce the storage space occupied by the almost spent (empty) consumable 5, according to another embodiment disclosed herein, the control unit 20 determines the specific consumable to be retrieved as the one of the plurality of similar consumables 5 that has been opened and has the smallest remaining amount. Since the expiration of a partially used consumable 5 is one reason for the waste of consumables, the control unit 20 is alternatively or additionally configured to determine the particular consumable to be retrieved as the one of the plurality of similar consumables that has been open for the longest period of time. According to a particular embodiment, the control unit 20 determines whether the remaining amount inside the packaging of the consumable 5 is sufficient to carry out an unfinished test order requiring said consumable. If not, the control unit 20 is configured to determine that there is a sufficient remaining amount of replacement consumables 5 to retrieve to place an incomplete test order.
In step 106, the control unit 20 determines which storage compartment 12 holds the particular consumable 5 (determined in step 104) based on the consumable inventory in the database 30.
In a subsequent step 108, the control unit 20 controls the plurality of compartment indicators 14 to indicate the storage compartment 12 holding the particular consumable to be retrieved, e.g., as shown by the solid black circle in fig. 1, 2, 4 and 5.
In step 110, the consumable 5 is removed from the storage compartment.
Turning now to the steps associated with consumable loading/replenishment, in step 112, the consumable demand and consumable replenishment intent are captured by way of interface 26.
In step 114, the control unit 20 determines the particular storage compartment 12 that is best suited to receive the consumable refill. According to various embodiments, the determination of the storage compartment 12 to receive the next consumable 5 may be based on first-in-first-out (FIFO), last-in-first-out (LIFO), or other suitable method, in each case taking into account the consumable inventory. Thereafter, in step 118, the control unit 20 controls the plurality of compartment indicators 14 to indicate the storage compartment 12 that is most suitable for receiving a consumable refill.
In step 120, the storage compartment is replenished with the consumable 5.
In parallel to the step sequence 102, 110 or 112, 120, the detection unit monitors the withdrawal and replenishment activities and sends a signal indicative thereof to the control unit 20 in step 130. In a subsequent step 140, the control unit 20 processes the signal from the detection unit in order to verify the removal of a specific consumable 5 from the indicated storage compartment 12 or the replenishment of a specific consumable 5 into the indicated storage compartment 12. Verification here refers to checking whether the user has taken/replenished the consumable 5 from the indicated compartment 12. In other words, the verification confirms that the removal/replenishment action as detected by the detection component 40 matches the indication (user guidance) by means of the compartment indicator 14. If the verification fails, the control unit 20 generates an alarm in step 150. The alarm may be an audible alarm and/or a visual alarm, for example by the compartment indicator(s) 14 or by an element of a graphical user interface. In addition, the failed verification(s) are recorded in the database 30.
According to another embodiment, in addition to monitoring which storage compartment(s) 12 consumable is/are taken from/replenished, the detection unit is configured to identify a particular consumable 5 that is being taken from or replenished into a consumable storage cluster 10, so as to:
-verifying the removal of the specific consumable 5 to be retrieved;
actively identify each replenished consumable 5 to update the consumable inventory;
track temporary (ad-hoc) consumable withdrawals and/or refills, which are temporary when interface 26 does not receive an input indicative of consumable demand and/or intent of consumable refill related to the particular consumable 5 being withdrawn/refilled, and update the consumable inventory accordingly.
In step 100, the consumable inventory is updated based on the processing of the signal from the detection unit.
Fig. 4 shows another embodiment of the consumable management system 1, wherein the plurality of compartment indicators 14 comprises a plurality of visual elements 14 of a graphical user interface GUI displayed on a screen 16, the screen 16 being communicatively connected to the control unit 20, the plurality of visual elements 14 being arranged on the graphical user interface GUI in a similar spatial arrangement to the plurality of storage compartments 12 of the consumable storage cluster 10. Additionally or alternatively, the plurality of compartment indicators 14 comprise a plurality of visual cues of an augmented reality interface that are projected as overlays in the user's field of view to be superimposed on the plurality of storage compartments 12 of the consumable storage cluster 10.
Fig. 4 also shows consumable storage clusters 10 arranged as a two-dimensional grid of rows R or columns C. Furthermore, fig. 4 shows an embodiment of detection component 40 comprising an RFID reader 46, in particular a handheld RFID reader 46, RFID reader 46 being configured to identify a consumable 5 being taken from consumable storage cluster 10 or being replenished into consumable storage cluster 10. Alternatively, a barcode reader may be used to read a barcode attached to the consumable 5.
FIG. 5 illustrates yet another embodiment of a storage cluster 10 including one or more storage drawers 13. The drawers 13 are arranged on top of each other and are accommodated in a housing. Each drawer 13 comprises one or more storage compartments 12 side by side along the Y direction of a three-dimensional cartesian coordinate system. As the name implies, each drawer 13 is configured to be extendable in the X direction to allow arbitrary access to any consumable 5 within any storage compartment 12 of the drawer 13. Arbitrary access herein refers to the fact that: the user can pick any consumable 5 from the storage compartment 12 without having to move any other consumable in order to be able to reach it, as opposed to having access only to the front consumable 5 as would be the case for the drawer 13. In the embodiment shown in fig. 5, the storage compartments 12 of the drawer 13 comprise storage compartment portions 12A, 12B, 12C arranged one after the other (in the X-direction), wherein the compartment portion indicators 14A, 14B, 14C are configured to indicate the respective storage compartment portions 12A, 12B, 12C. To control the compartment portion indicators 14A, 14B, 14C, the control unit 20 is configured to:
-determining a storage compartment portion 12A, 12B, 12C holding a particular consumable 5 to be retrieved and controlling a plurality of compartment portion indicators 14A, 14B, 14C to indicate the storage compartment portion 12A, 12B, 12C holding the particular consumable to be retrieved; and
the control unit 20 is configured to determine the storage compartment portion 12A, 12B, 12C most suitable for receiving a consumable replenishment and to control the plurality of compartment portion indicators 14A, 14B, 14C to indicate the storage compartment 12 most suitable for receiving a consumable replenishment.
Also disclosed and proposed is a computer program product comprising computer executable instructions for carrying out the method disclosed in one or more of the embodiments contained herein, when said program is executed on a computer or a computer network. In particular, the computer program may be stored on a computer readable data carrier or on a server computer. Thus, in particular, one, more than one or even all of the method steps as indicated above may be carried out by using a computer or a network of computers, preferably by using a computer program.
As used herein, a computer program product refers to a program as a tradable product. The product may generally be present in any format, such as in a paper format, or on a computer readable data carrier, either internally or at a remote location. In particular, the computer program product may be distributed over a data network (such as a cloud environment). Furthermore, not only the computer program product, but also the execution hardware may be located internally or in a cloud environment.
Also disclosed and claimed are computer-readable media comprising instructions, which when executed by a computer system, cause the laboratory system to perform a method according to one or more embodiments disclosed herein.
Also disclosed and claimed are modulated data signals comprising instructions that, when executed by a computer system, cause the laboratory system to perform a method according to one or more embodiments disclosed herein.
With reference to the computer-implemented aspects of the disclosed methods, one or more, or even all, of the method steps of a method according to one or more embodiments disclosed herein may be carried out by using a computer or a network of computers. Thus, in general, any method step comprising the provision and/or manipulation of data may be carried out by using a computer or a network of computers. Generally, these method steps may include any method steps, typically in addition to those that require manual work, such as providing a sample and/or performing some aspect of an actual measurement.
List of reference numerals:
Consumable 5
Mark 7
RFID tag 9
Row R (of storage compartments)
Column C (of storage compartments)
Screen 16
Optical data acquisition device 42
Hand-held RFID tag reader 46
Maintaining a consumable inventory step 100
Receiving a consumable demand step 102
Determining consumables to retrieve step 104
Determining a storage compartment to hold the consumable to be retrieved step 106
Removing the consumable(s) from the storage compartment step 110
Receiving a consumable replenishment intention step 112
Determining consumables to replenish step 114
Determining the compartment most suitable for the consumable to be replenished step 116
Indicating the most suitable consumable to replenish step 118
Replenishing consumable(s) in storage compartment step 120
Detecting removal and replenishment of consumables step 130
Processing the signal of the detection unit and verifying the removal and/or replenishment of the consumable 140
(failed verification) alert step 150
Claims (15)
1. Consumable management system (1) for a laboratory, comprising:
-a consumable storage cluster (10) comprising:
-a plurality of storage compartments (12), each storage compartment (12) being configured to receive one or more consumables (5);
-a plurality of compartment indicators (14), a compartment indicator (14) being associated with each storage compartment (12) and configured to indicate one of the plurality of storage compartments (12) to a user;
-a control unit (20) communicatively connected to a database (30), the database (30) for maintaining an inventory of consumables stored in the plurality of storage compartments (12);
-a detection unit communicably connected with the control unit (20) and configured to detect the removal and replenishment of the consumable (5) from the storage compartment (12) and into the storage compartment (12) and to signal said removal and replenishment to the control unit (20);
-an interface (26) communicatively connected with the control unit (20) for receiving an input indicative of a consumable demand and/or a consumable replenishment intention;
-the control unit (20) is configured to:
-determining the specific consumable (5) to retrieve from the consumable demand and the consumable inventory;
-determining a storage compartment (12) holding a specific consumable (5) to be retrieved and controlling the plurality of compartment indicators (14) to indicate the storage compartment (12) holding the specific consumable to be retrieved;
-determining a particular storage compartment (12) that is most suitable for receiving a consumable refill and controlling the plurality of compartment indicators (14) to indicate the storage compartment (12) that is most suitable for receiving a consumable refill;
-processing the signal from the detection unit in order to verify the removal of a specific consumable (5) from or the replenishment of a storage compartment (12) indicated;
-generating an alarm signal when the verification of the removal from the indicated storage compartment (12) or the replenishment into the indicated storage compartment (12) for the specific consumable (5) fails;
-processing the signal from the detection unit in order to update the consumable inventory when taking out and when replenishing the consumable (5).
2. The consumable management system (1) of claim 1, wherein the control unit (20) is configured to:
-determining the specific consumable to be retrieved as that of a plurality of similar consumables having the most recent shelf life expiry and/or the most recent shelf life and/or the most accessible location in the storage compartment (12);
-determining the specific consumable to be retrieved as the one of the plurality of similar consumables which has been opened and has the smallest remaining amount;
-determining the particular consumable to be retrieved as the one of the plurality of similar consumables that has been open for the longest period of time.
3. The consumable management system (1) according to claim 1 or 2, wherein:
-the plurality of compartment indicators (14) comprises a plurality of light sources, in particular light emitting diodes, LEDs, as compartment indicators (14), each light source being arranged in the vicinity of a respective storage compartment (12); and/or
-the plurality of compartment indicators (14) comprises a plurality of visual elements (14) of a graphical user interface GUI displayed on a screen (16) communicatively connected to the control unit (20), the plurality of visual elements (14) being arranged on the graphical user interface GUI in a similar spatial arrangement to the plurality of storage compartments (12) of the consumable storage cluster (10); and/or
-the plurality of compartment indicators (14) comprise a plurality of visual cues of an augmented reality interface projected as overlays in a user field of view to be superimposed on a plurality of storage compartments (12) of a consumable storage cluster (10).
4. The consumable management system (1) of one of claims 1 to 3, wherein the detection unit comprises an optical data acquisition device (42), the optical data acquisition device (42) being arranged and configured to:
-capturing an image of the consumable storage cluster (10) and detecting one or more specific storage compartments (12) from which the consumables (5) are taken out and into which the consumables (5) are either being replenished; and/or
-capturing an image of a mark (7) attached to the consumable (5) and detecting whether the consumable (5) being taken out or being replenished is the specific consumable (5) that should be taken out/replenished as determined by the control unit (20).
5. The consumable management system (1) according to one of claims 1 to 4, wherein the detection unit comprises a plurality of RFID tag readers (44), an RFID tag reader (44) being associated with each storage compartment (12) and being configured to read an RFID tag (9) attached to a consumable (5) being taken from or being replenished into a consumable storage cluster (10) in order to detect the specific storage compartment (12) from which the consumable (5) is taken and into which the consumable (5) is being replenished.
6. The consumable management system (1) of one of claims 1 to 5, wherein the detection unit is further configured to identify a consumable (5) being taken from or being replenished into the consumable storage cluster (10) in order to:
-verifying the removal of the specific consumable (5) to be retrieved;
-actively identifying each replenished consumable (5) to update the consumable inventory;
-tracking temporary consumable withdrawals and/or consumable refills and updating the consumable inventory accordingly, wherein a consumable withdrawal and/or consumable refill is temporary when the interface (26) does not receive an input indicative of a consumable demand and/or a consumable refill intent associated with a particular consumable (5) being withdrawn/refilled.
7. The consumable management system (1) of claim 6, wherein, for identifying a consumable (5) being taken from or being replenished into a consumable storage cluster (10), the detection unit comprises one or more of:
-an RFID tag reader (46), in particular a handheld RFID tag reader, configured to read an RFID tag attached to a consumable (5); and/or
-a barcode reader configured to read a barcode attached to the consumable (5).
8. The consumable management system (1) of one of claims 1 to 7, wherein the storage cluster (10) comprises one or more storage drawers (13), the storage drawers (13) comprising one or more storage compartments (12) side by side along the Y-direction of a three-dimensional Cartesian coordinate system, each drawer (13) being configured to be extendable in the X-direction of the three-dimensional Cartesian coordinate system to allow arbitrary access to any consumable (5) within any storage compartment (12) of a drawer (13).
9. The consumable management system (1) of one of claims 1 to 8, wherein:
-the plurality of compartment indicators (14) are configured to indicate a specific consumable (5) located within a respective storage compartment (12);
-the control unit (20) is further configured to control the plurality of compartment indicators (14) to indicate the specific consumable (5) to be retrieved.
10. The consumable management system (1) of one of claims 1 to 9, wherein:
-one or more of the plurality of storage compartments (12) comprises a storage compartment portion (12A, 12B, 12C);
-the plurality of compartment indicators (14) comprises compartment portion indicators (14A, 14B, 14C) configured to indicate to a user respective storage compartment portions (12A, 12B, 12C);
-the control unit (20) is configured to determine a storage compartment portion (12A, 12B, 12C) holding a specific consumable (5) to be retrieved and to control the plurality of compartment portion indicators (14A, 14B, 14C) to indicate the storage compartment portion (12A, 12B, 12C) holding the specific consumable to be retrieved;
-the control unit (20) is configured to determine a storage compartment portion (12A, 12B, 12C) most suitable for receiving a consumable replenishment and to control the plurality of compartment portion indicators (14A, 14B, 14C) to indicate a storage compartment (12) most suitable for receiving a consumable replenishment.
11. A method of operating a consumable management system (1), comprising the steps of:
-maintaining an inventory of consumables stored in a plurality of storage compartments (12) of a consumable storage cluster (10) in a database (30) communicatively connected to a control unit (20) of a consumable management system (1);
-receiving an input indicative of a consumable demand and/or a consumable replenishment intention via an interface (26) communicatively connected with the control unit (20);
-determining, by the control unit (20), the specific consumable (5) to retrieve from the consumable demand and the consumable inventory;
-the control unit (20) determines a storage compartment (12) holding a specific consumable (5) to be retrieved and controls the plurality of compartment indicators (14);
-indicating by one compartment indicator (14) of the plurality of compartment indicators (14) the storage compartment (12) holding the specific consumable to be retrieved;
-the control unit (20) determines the particular storage compartment (12) most suitable for receiving a consumable refill;
-indicating by one compartment indicator (14) of the plurality of compartment indicators (14) the storage compartment (12) most suitable for receiving a consumable refill;
-replenishing and/or removing one or more consumables (5) to or from one storage compartment (12) of said plurality of storage compartments (12);
-detecting, by a detection unit, the removal and replenishment of the consumable (5) from and into the storage compartment (12) and signaling said removal and replenishment to a control unit (20);
-processing, by the control unit (20), the signal from the detection unit and verifying the removal of the specific consumable (5) from the indicated storage compartment (12) or the replenishment into the indicated storage compartment (12);
-generating an alarm signal when the verification of the removal from the indicated storage compartment (12) or the replenishment into the indicated storage compartment (12) for the specific consumable (5) fails.
12. The method of claim 11, further comprising: an image of the consumable storage cluster (10) is captured by an optical data acquisition device (42) of the detection unit and detects the specific storage compartment (12) from which the consumable (5) is taken out and into which the consumable (5) is replenished.
13. The method of claim 11 or 12, further comprising: an image of a mark (7) attached to the consumable (5) is captured, and it is detected whether the consumable (5) being taken out or being replenished is a specific consumable (5) that should be taken out/replenished as determined by the control unit (20).
14. The method of one of claims 11 to 13, further comprising: an RFID tag attached to a consumable (5) being removed from or replenished into a consumable storage cluster (10) is read by one of a plurality of RFID tag readers (44), the RFID tag reader (44) being associated with each storage compartment (12), and the particular storage compartment (12) from which the consumable (5) is removed and into which the consumable (5) is replenished is detected.
15. A computer program product comprising instructions which, when executed by a control unit (20) of a consumable management system (1), cause it to carry out the method according to one of claims 11 to 14.
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2020060559A (en) | 2020-04-16 |
| US20200096526A1 (en) | 2020-03-26 |
| EP3626652A8 (en) | 2020-05-27 |
| US11940455B2 (en) | 2024-03-26 |
| JP7433818B2 (en) | 2024-02-20 |
| EP3626652A1 (en) | 2020-03-25 |
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